IWC Portuguese Yacht Club Chronograph (Reference IW390211) is a dynamic and sophisticated men's/unisex timepiece, combining the elegant aesthetics of the Portugieser collection with robust sporty features. The substantial 45.4mm case is crafted from stainless steel, providing a strong yet refined presence on the wrist. The bright silver dial features a functional chronograph layout with Arabic numerals, and the "Yacht Club" designation hints at its maritime inspiration. Powered by a high-performance automatic flyback chronograph movement (Caliber 89361) with an impressive 68-hour power reserve and 38 jewels, this watch allows for rapid resetting of the chronograph, ideal for measuring consecutive time intervals. It boasts a water resistance of 6 ATM, suitable for water sports.